$REGN
Regeneron Pharmaceuticals Inc
XNAS•Health Care•Pharmaceutical Preparations
Why is REGN down today? It is at $826.64 (-1.69%), and our scanner flagged it 28 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment REGN spikes, and full due diligence on REGN — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $826.64
- Change today
- -1.69%
- Previous close
- $840.84
- 52-week range
- $541.00 – $844.92
- Market cap
- $83.42B
- P/E ratio
- 23.98
- Dividend yield
- 0.46% ($3.76)
- Institutional own.
- 99.9%
- Total held
- 99.9%
- Tradeable float
- 101K 0% of shares · after <1% insiders + 100% institutions
- Short interest
- 3.4M ▼ -3% vs prior · as of 2026-07-31
- Days to cover
- 3.9d
- Avg daily volume
- 921K
- Sector
- Health Care
- Industry
- Pharmaceutical Preparations
- Exchange
- XNAS
- 5m
- 0.9x
- 15m
- 0.9x
- 1h
- 0.6x
- 1D
- 0.1x
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Why is $REGN down today?
Here is the latest on REGN from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for REGN today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
Analyst data via Nasdaq. Not investment advice.
Insiders
Insiders selling0 buys, 3 sells last 3 months (17/30 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Zoghbi Huda Y Director | Sold (automatic/other) | -800 | sold 32% | 2K | $640K at $800.00 | Aug 10, 26 |
Zoghbi Huda Y Director | Other | 800 | added 47% | 3K | $301K at $376.69 | Aug 10, 26 |
Guarini Kathryn Director | Sold (automatic/other) | -400 | sold 40% | 603 | $320K at $800.00 | Aug 10, 26 |
Guarini Kathryn Director | Other | 400 | added 66% | 1K | $288K at $719.37 | Aug 10, 26 |
Ryan Arthur F Director | Sold (automatic/other) | -200 | sold 1.1% | 17K | $130K at $650.15 | Jul 2, 26 |
Ryan Arthur F Director | Sold (automatic/other) | -100 | sold 0.6% | 18K | $70K at $701.76 | May 1, 26 |
Ryan Arthur F Director | Sold (automatic/other) | -100 | sold 0.6% | 18K | $77K at $771.32 | Apr 1, 26 |
Ryan Arthur F Director | Sold (automatic/other) | -100 | sold 0.6% | 18K | $78K at $777.46 | Mar 2, 26 |
Zoghbi Huda Y Director | Sold (automatic/other) | -2K | sold 49% | 2K | $1.3M at $774.68 | Feb 19, 26 |
Zoghbi Huda Y Director | Other | 2K | added 96% | 3K | $617K at $376.69 | Feb 19, 26 |
Ryan Arthur F Director | Sold (automatic/other) | -100 | sold 0.6% | 18K | $78K at $775.63 | Feb 9, 26 |
Pitofsky Jason Officer | Sold (automatic/other) | -2K | sold 32% | 4K | $1.6M at $775.95 | Feb 9, 26 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
Dilution watch
UnavailableWe could not reach SEC EDGAR, so the dilution check did not run for $REGN. This is not a clean result: there may be an offering, a registration or a shelf on file that we were unable to read. Check it yourself on SEC EDGAR before trading it.
$REGN Sentiment
BearishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$REGN Activity
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
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REGN stock FAQ
Why is $REGN down today?
Here is the latest on REGN from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for REGN today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
What is the REGN stock price today?
REGN last traded at $826.64, down 1.69% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Does REGN pay a dividend?
Yes. REGN currently has a dividend yield of about 0.46% ($3.76 per share per year). Dividend figures can change; this is not investment advice.
Where can I see live REGN alerts?
The REGN Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged REGN 28 times in the last 30 days.
What exchange is REGN on?
REGN (Regeneron Pharmaceuticals Inc) trades on XNAS, with a market cap of about $83.42B in the PHARMACEUTICAL PREPARATIONS sector.
Is REGN good for day trading?
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge REGN for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.